Moved Themer to Settings. Added option to set default theme

client/src/interfaces/Config.ts

@@ -25,4 +25,5 @@ export interface Config {
   daySchema: string;
   monthSchema: string;
   showTime: boolean;
+  defaultTheme: string;
 }

client/src/interfaces/Forms.ts

@@ -35,3 +35,7 @@ export interface DockerSettingsForm {
   kubernetesApps: boolean;
   unpinStoppedApps: boolean;
 }
+
+export interface ThemeSettingsForm {
+  defaultTheme: string;
+}